An object, moving with a speed of 6.25 m/s, is decelerated at a rate given by: d v d t…
Physics · NEET · NTA Exams — Kinematics
An object, moving with a speed of 6.25 m/s, is decelerated at a rate given by: \(\frac{d v}{d t}=-2.5 \sqrt{v}\)
where v is the instantaneous speed. The time taken by the object to come to rest, would be :
- 2 s
- 4 s
- 8 s
- 1 s
Answer
(A) 2 s
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